Gre Tunnel Problem

[andresgg.cisco]

Hi,

i need some help to configure a gre tunnel on Cisco Pocket Tracert between Two routers.

The next configuration:

The Fasteth 0/0 On Router0 is UP and the adress is 200.108.192.20

The Fasteth 0/0 On Router1 is UP and the adrees is 200.108.192.10

But when send echo on booth routers don´t have answer!

which may be the problem??

ROUTER 0

interface Tunnel1

ip address 20.0.0.1 255.255.255.252

tunnel source FastEthernet0/0

tunnel destination 200.108.192.10

!

!

interface FastEthernet0/0

ip address 200.108.192.20 255.255.255.0

duplex auto

speed auto

!

interface FastEthernet0/1

no ip address

duplex auto

speed auto

shutdown

!

interface Vlan1

no ip address

shutdown

!

--------------------------------------------------------------

ROUTER 2

interface Tunnel1

ip address 10.0.0.1 255.255.255.252

tunnel source FastEthernet0/0

tunnel destination 200.108.192.20

!

!

interface FastEthernet0/0

ip address 200.108.192.10 255.255.255.0

duplex auto

speed auto

!

interface FastEthernet0/1

no ip address

duplex auto

speed auto

shutdown

!

[Edison Ortiz · Accepted solution]

The tunnel interface should be on the same subnet.

Change router 2 ip address to 20.0.0.2

[andresgg.cisco]

Great!! Fantastic Edison thanks a lot for your help

Bye!!!